diff mbox series

[6/6] dt-bindings: drm/msm/gpu: Document gpu opp table

Message ID 1589453659-27581-7-git-send-email-smasetty@codeaurora.org (mailing list archive)
State Superseded
Headers show
Series Add support for GPU DDR BW scaling | expand

Commit Message

Sharat Masetty May 14, 2020, 10:54 a.m. UTC 
Update documentation to list the gpu opp table bindings including the
newly added "opp-peak-kBps" needed for GPU-DDR bandwidth scaling.

Signed-off-by: Sharat Masetty <smasetty@codeaurora.org>
---
 .../devicetree/bindings/display/msm/gpu.txt        | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)

--
2.7.4

Comments

Rob Herring May 28, 2020, 3:14 p.m. UTC | #1 
On Thu, 14 May 2020 16:24:19 +0530, Sharat Masetty wrote:
> Update documentation to list the gpu opp table bindings including the
> newly added "opp-peak-kBps" needed for GPU-DDR bandwidth scaling.
> 
> Signed-off-by: Sharat Masetty <smasetty@codeaurora.org>
> ---
>  .../devicetree/bindings/display/msm/gpu.txt        | 28 ++++++++++++++++++++++
>  1 file changed, 28 insertions(+)
> 

Acked-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt
index 70025cb..48bd4ab 100644
--- a/Documentation/devicetree/bindings/display/msm/gpu.txt
+++ b/Documentation/devicetree/bindings/display/msm/gpu.txt
@@ -79,6 +79,34 @@  Example a6xx (with GMU):

 		interconnects = <&rsc_hlos MASTER_GFX3D &rsc_hlos SLAVE_EBI1>;

+		gpu_opp_table: opp-table {
+			compatible = "operating-points-v2";
+
+			opp-430000000 {
+				opp-hz = /bits/ 64 <430000000>;
+				opp-level = <RPMH_REGULATOR_LEVEL_SVS_L1>;
+				opp-peak-kBps = <5412000>;
+			};
+
+			opp-355000000 {
+				opp-hz = /bits/ 64 <355000000>;
+				opp-level = <RPMH_REGULATOR_LEVEL_SVS>;
+				opp-peak-kBps = <3072000>;
+			};
+
+			opp-267000000 {
+				opp-hz = /bits/ 64 <267000000>;
+				opp-level = <RPMH_REGULATOR_LEVEL_LOW_SVS>;
+				opp-peak-kBps = <3072000>;
+			};
+
+			opp-180000000 {
+				opp-hz = /bits/ 64 <180000000>;
+				opp-level = <RPMH_REGULATOR_LEVEL_MIN_SVS>;
+				opp-peak-kBps = <1804000>;
+			};
+		};
+
 		qcom,gmu = <&gmu>;

 		zap-shader {